3.2 CENTRONICS PARALLEL
The printer has a Centronics parallel interface and is connected using a 25-pin female connector. The fol-
lowing signals can be used for parallel communication:
7 or 8 bit data bus;
1.
STROBE signal that indicates data validity;
2.
BUSY signal that indicates if printer is available to receive data;
3.
ACK signal for data read con
fi
rmation.
4.
Given below are the signals present on the connector:
PIN
SIGNAL
DIRECTION
1
Strobe
Input
2
Data bit 0
Input
3
Data bit 1
Input
4
Data bit 2
Input
5
Data bit 3
Input
6
Data bit 4
Input
7
Data bit 5
Input
8
Data bit 6
Input
9
Data bit 7
Input
10
ACK
Output
11
BUSY
Output
12
PAPER END
Output
13
HIGHT
Output
14
N.C.
-
15
FALT
Output
16
RESET
Input
17-25
GND
-
(Tab.
3.2)
3. INTERFACES
User Manual
FT190 II 3-3
Summary of Contents for FT190 II
Page 1: ...OEM USER MANUAL FT190 II FT190 II...
Page 6: ...Blank page TABLE OF CONTENTS ii FT190 II User Manual...
Page 10: ...Blank page 1 INTRODUCTION 1 4 FT190 II User Manual...
Page 35: ...Blank page 4 PRINTER FUNCTIONS User Manual FT190 II 4 17...
Page 39: ...Blank page 6 CHARACTER SETS 6 2 FT190 II User Manual...
Page 42: ...Blank page APPENDIX A ACCESSORIES AND SPARE PARTS User Manual FT190 II A 3...
Page 43: ......
